您要查找的是不是:
- mixed acid with HF 混酸加氟
- The fluorspar sample was treated with HF, then fumed with HClO_4.After cooling, the residue was dissolved by adding HCl and boric acid with gentle heating. 该方法是将氟石样品经过氢氟酸去除硅,高氯酸冒烟,冷却后再用盐酸、硼酸加热溶解等处理过程,标准溶液中需加入与样品相匹配的钙基体进行测定。
- Method: The SD rat model with HF was produced by constricting abdominal aorta. 方法:采用缩窄腹主动脉方法复制大鼠心衰模型。
- The paper has introduced the technological characteristics and parameters of the process to extract Zr and Hf with tribytyl pnosphorate in mixed acid system,together with its design and practice. 论述了混合酸系统磷酸三丁酯萃取分离锆铪的工艺特点和技术参数以及在设计、生产中的应用情况。
- I don't believe you,so don't come the old acid with me. 我不信任你,因此不要来欺骗我。
- L-histidine is an alkalescency amino acid with an imidazole group. L-组氨酸是含咪唑核的碱性氨基酸。
- There is no evidence that antiplatelet agents reduce atherosclerotic risk in patients with HF. 没有任何证据表明,抗血小板制剂降低心衰患者动脉粥样硬化的危险。
- Conclusion The Astragalus injection can improve the cardiac function in simile patients with HF. 结论黄芪注射液能改善老年患者的心功能。
- For patients with HF, safety data support the selection of amiodarone or dofetilide to maintain sinus rhythm. 对于心衰患者来说,有资料证实选用胺碘酮或多菲莱德维持窦性心律比较安全。
- Molybdovanaphosphoric acid with two Dawson and Keggin structure were prepared. 制备出 Keggin和 Dawson两种结构的钼钒磷杂多酸。
- HClO3) a strong unstable acid with an acrid odor found in chlorate salts. 一种强但不稳定的酸,带有氯酸盐中的酸味。
- Mixed acid should be allowed to flow for 1 minute in order to flush the pipesand cooling system. 应让混酸流一分钟,以便冲洗管道和冷却系统。
- It has balanced acidity with a citric finish. 它用一种柠檬中和了酸性。
- Mixed acid should be allowed to flow for 1 minute in order to flush the pipes and cooling system. 应让混酸流一分钟,以便冲洗管道和冷却系统。
- In the water phase, benzotrichloride was condensed with resorcin by th e catalysis of mix acid to form intermediate 2,4-dihydroxybenzophenone. 用混和酸作催化剂,三氯甲基苯和间苯二酚在水相中缩合成中间体2,4-二羟基二苯基甲酮。
- In the paper,the influencing on the stability of mixed acid milk were studied and the orthog onal experiment were made. 对影响调配酸乳饮料稳定性的因素进行了研究,通过正交试验确定稳定剂的最佳复配配比以及最佳的生产工艺。
- We test the liquid for acidity with a strip of litmus paper. 我们用一条石蕊试纸来试验这液体是不是酸性的。
- Fluoride treatment included both excised leaves cultured in nutrient solutions and leaves from plants fumigated with HF. 氟化物处理既包括培养在营养溶液中的切离叶片和HF熏气的植株上来的叶片。
- One kind of lubricity improver for low sulfur diesel was synthesized by low cost raw materials, such as unsatu-rated mixed acid and polyol. 采用不饱和混合酸和多元醇等低成本原料合成出一种低硫柴油润滑性能改进剂,并对其润滑性能、兼容性、腐蚀性、水反应和低温性能进行了评价。
- It is studied that the mechanism of extracting potassium from the potassium-rich shale sample in Caoyang using sulfuric-fluoric mixed acid. 本文对朝阳地区的富钾页岩矿样在硫-氟混酸作用下浸出提钾的反应机理进行了系统的研究。